<template >
	<div>
		<!-- 面包屑导航 -->
		<el-breadcrumb separator-class="el-icon-arrow-right">
			<el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
			<el-breadcrumb-item>商品管理</el-breadcrumb-item>
			<el-breadcrumb-item>添加商品</el-breadcrumb-item>
		</el-breadcrumb>
		<!-- 卡片视图>栅格系统包含搜索 -->
		<el-card class="box-card">
			<!-- 为 ECharts 准备一个具备大小（宽高）的 DOM -->
			<div id="main" style="width: 600px;height:400px;"></div>
		</el-card>
	</div>
</template>

<script>
	// 导入echarts
	import echarts from "echarts";
	import _ from "lodash";
	export default {
		data() {
			return {
				options: {
					title: {
						text: "用户来源"
					},
					tooltip: {
						trigger: "axis",
						axisPointer: {
							type: "cross",
							label: {
								backgroundColor: "#E9EEF3"
							}
						}
					},
					grid: {
						left: "3%",
						right: "4%",
						bottom: "3%",
						containLabel: true
					},
					xAxis: [
						{
							boundaryGap: false
						}
					],
					yAxis: [
						{
							type: "value"
						}
					]
				}
			};
		},
		created() {},
		async mounted() {
			// 基于准备好的dom，初始化echarts实例
			var myChart = echarts.init(document.getElementById("main"));

			// 指定图表的配置项和数据
			// 用lodash将获取数据与服务器得到的数据进行合并
			let { data: res } = await this.$http.get("reports/type/1");
			if (res.meta.status !== 200) {
				return this.$message.error("后去折线图数据失败");
			}
			let result = _.merge(res.data, this.options);

			// 使用刚指定的配置项和数据显示图表。
			myChart.setOption(result);
		}
	};
</script>   
<style lang="less" scoped>
</style>